Ulvenwald Mystics

Creature - Human Shaman Werewolf

At the beginning of each upkeep, if no spells were cast last turn, transform Ulvenwald Mystics.

"With this ritual, we cast aside our fragile humanity . . ."

3/3

Card has other part: Ulvenwald Primordials

2011-09-22 You can regenerate Ulvenwald Primordials in response to the triggered ability that would transform it. If you do, the regeneration shield will apply to Ulvenwald Mystics that turn.
2016-07-13 For more information on double-faced cards, see the Shadows over Innistrad mechanics article (http://magic.wizards.com/en/articles/archive/feature/shadows-over-innistrad-mechanics).

Card is in preconstructed decks:

mtg.wtf